chore: add code for 2 handlers with GET

backend/internal/repositories/post_repository.go

@@ -19,13 +19,42 @@ func NewPostRepository(db *sql.DB) PostRepository {
 		logger: logger.New(false),
 	}
 }
-func (p *postRepository) GetAll(ctx context.Context) ([]storage.Post, error) {
-	return nil, nil
+func (p *postRepository) GetAll(ctx context.Context) ([]storage.PostReq, error) {
+	var result []storage.PostReq
+	rows, err := p.db.Query("SELECT title content FROM posts")
+	if err != nil {
+		p.logger.Error(err.Error())
+		return nil, err
+	}
+	for rows.Next() {
+		var title string
+		var content string
+		err := rows.Scan(&title, &content)
+		if err != nil {
+			p.logger.Error("error scan: " + err.Error())
+		}
+		result = append(result, storage.PostReq{
+			Title:   title,
+			Content: content,
+		})
+	}
+	return result, nil
 }
 
-func (p *postRepository) GetByID(ctx context.Context, id int) (storage.Post, error) {
-
-	return storage.Post{}, nil
+func (p *postRepository) GetByID(ctx context.Context, id int) (storage.PostReq, error) {
+	var result storage.PostReq
+	row := p.db.QueryRow("SELECT title content FROM posts WHERE id = ?", id)
+	var title string
+	var content string
+	err := row.Scan(&title, &content)
+	if err != nil {
+		p.logger.Error("error scan: " + err.Error())
+	}
+	result = storage.PostReq{
+		Title:   title,
+		Content: content,
+	}
+	return result, nil
 }
 
 func (p *postRepository) Create(ctx context.Context, post storage.Post) error {